//
// Publisher+ThrottledSink.swift
//
// BeagleIM
// Copyright (C) 2021 "Tigase, Inc." <office@tigase.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. Look for COPYING file in the top folder.
// If not, see https://www.gnu.org/licenses/.
//

import Foundation
import Combine

extension Publisher where Failure == Never {
    
    func throttledSink<S>(for interval: S.SchedulerTimeType.Stride, scheduler: S, receiveValue: @escaping (Output)->Void) where S : Scheduler {
        var cancellable: AnyCancellable? = nil;
        cancellable = self.throttle(for: interval, scheduler: scheduler, latest: true).sink(receiveCompletion: { result in
            cancellable?.cancel();
            cancellable = nil;
        }, receiveValue: receiveValue);
    }
}
